Home / 11,335.53-15,642.72-6,299.63

Finding the Fourth Proportional to 11,335.53, 15,642.72 and 6,299.63

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Solution

The fourth proportional to 11,335.53, 15,642.72 and 6,299.63 is: 8,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.53 : 15,642.72 = 6,299.63 : x
  2. Step 2: Convert to fraction form
    11,335.53/15,642.72 = 6,299.63/x
  3. Step 3: Cross multiply
    11,335.53x = 15,642.72 × 6,299.63
  4. Step 4: Simplify right side
    11,335.53x = 98,543,269.98
  5. Step 5: Solve for x
    x = 98,543,269.98/11,335.53
  6. Step 6: Final answer
    x = 8,693.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.